Pincode 852109 is a 6-digit postal code serving 7 post offices in Supaul district, Bihar. Ganpatganj SO Supaul is the Post Office for this area, located at 26.6290°N, 86.3630°E. The first digit ‘8’ identifies the Bihar postal region; the full code pinpoints the Supaul delivery zone.
| Post Office | Type |
|---|---|
| Ganpatganj SO Supaul | Post Office |
| Achalpur BO | Branch Post Office |
| Devipur BO | Branch Post Office |
| Dharhara BO | Branch Post Office |
| Lalpur BO | Branch Post Office |
| Mahadeo Asthan BO | Branch Post Office |
| Maheshpur BO | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Supaul, Bihar. Map data: OpenStreetMap, CARTO.